SECTA'RIAN, adjective. [Latin secrarius.] Pertaining to a sect or sects; as sectarian principles or prejudices. SECT'ARIAN, noun. One of a sect; one of a party in religion which has separated itself from the established church, or which holds tenets different from those of the prevailing denomination in a kingdom or state.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI